From 0742b90a214b35951414558f6f5579f79b8a8194 Mon Sep 17 00:00:00 2001
From: Massimo Valentini <mvalentini@src.gnome.org>
Date: Thu, 21 Aug 2014 17:15:51 +0200
Subject: [PATCH] Fix segfault rendering videos in webkit based browsers

do not tessellate empty boxes.

Reported-by: Henrique Lengler <henriqueleng@openmailbox.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=81699
---
 src/cairo-bentley-ottmann-rectangular.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/cairo-bentley-ottmann-rectangular.c b/src/cairo-bentley-ottmann-rectangular.c
index 5541bdc..4bcd8d1 100644
--- a/src/cairo-bentley-ottmann-rectangular.c
+++ b/src/cairo-bentley-ottmann-rectangular.c
@@ -823,6 +823,9 @@ _cairo_bentley_ottmann_tessellate_boxes (const cairo_boxes_t *in,
 	for (i = 0; i < chunk->count; i++) {
 	    int h;
 
+	    if (box[i].p1.y == box[i].p2.y)
+	      continue;
+
 	    if (box[i].p1.x < box[i].p2.x) {
 		rectangles[j].left.x = box[i].p1.x;
 		rectangles[j].left.dir = 1;
-- 
1.9.3

